diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index 5c966ed..7bc7286 100644
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -133,6 +133,8 @@ static void emulate_csb_update(struct intel_vgpu_execlist *execlist,
 	struct execlist_context_status_pointer_format ctx_status_ptr;
 	u32 write_pointer;
 	u32 ctx_status_ptr_reg, ctx_status_buf_reg, offset;
+	unsigned long hwsp_gpa;
+	struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
 
 	ctx_status_ptr_reg = execlist_ring_mmio(vgpu->gvt, ring_id,
 			_EL_OFFSET_STATUS_PTR);
@@ -158,6 +160,21 @@ static void emulate_csb_update(struct intel_vgpu_execlist *execlist,
 	ctx_status_ptr.write_ptr = write_pointer;
 	vgpu_vreg(vgpu, ctx_status_ptr_reg) = ctx_status_ptr.dw;
 
+	/* Update the CSB and CSB write pointer in HWSP */
+	if (INTEL_INFO(dev_priv)->gen >= 8) {
+		hwsp_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm,
+						 vgpu->hws_pga[ring_id]);
+		if (hwsp_gpa != INTEL_GVT_INVALID_ADDR) {
+			intel_gvt_hypervisor_write_gpa(vgpu,
+				hwsp_gpa + I915_HWS_CSB_BUF0_INDEX * 4 +
+				write_pointer * 8,
+				status, 8);
+			intel_gvt_hypervisor_write_gpa(vgpu,
+				hwsp_gpa +
+				intel_hws_csb_write_index(dev_priv) * 4,
+				&write_pointer, 4);
+		}
+	}
 	gvt_dbg_el("vgpu%d: w pointer %u reg %x csb l %x csb h %x\n",
 		vgpu->id, write_pointer, offset, status->ldw, status->udw);
 
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index f08d194..27e8186 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -189,6 +189,7 @@ struct intel_vgpu {
 	struct intel_vgpu_opregion opregion;
 	struct intel_vgpu_display display;
 	struct intel_vgpu_submission submission;
+	u32 hws_pga[I915_NUM_ENGINES];
 
 	struct dentry *debugfs;
 
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 8ef7db3..6313f0e 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -1380,6 +1380,49 @@ static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
 	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
 }
 
+static int hws_pga_write(struct intel_vgpu *vgpu, unsigned int offset,
+		void *p_data, unsigned int bytes)
+{
+	u32 value = *(u32 *)p_data;
+
+	if (!intel_gvt_ggtt_validate_range(vgpu, value, GTT_PAGE_SIZE)) {
+		gvt_vgpu_err("VM(%d) write invalid HWSP address, reg:0x%x, value:0x%x\n",
+			      vgpu->id, offset, value);
+		return -EINVAL;
+	}
+	/*
+	 * Need to emulate all the HWSP register write to ensure host can
+	 * update the VM CSB status correctly. Here listed registers can
+	 * support BDW, SKL or other platforms with same HWSP registers.
+	 */
+	switch (offset) {
+	case 0x2080:
+		vgpu->hws_pga[RCS] = value;
+		break;
+	case 0x12080:
+		vgpu->hws_pga[VCS] = value;
+		break;
+	case 0x1c080:
+		vgpu->hws_pga[VCS2] = value;
+		break;
+	case 0x1a080:
+		vgpu->hws_pga[VECS] = value;
+		break;
+	case 0x22080:
+		vgpu->hws_pga[BCS] = value;
+		break;
+	default:
+		gvt_vgpu_err("VM(%d) access unknown hardware status page register:0x%x\n",
+			     vgpu->id, offset);
+		return -EINVAL;
+	}
+
+	gvt_dbg_mmio("VM(%d) write: 0x%x to HWSP: 0x%x\n",
+		     vgpu->id, value, offset);
+
+	return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
+}
+
 static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
 		unsigned int offset, void *p_data, unsigned int bytes)
 {
@@ -2545,7 +2588,7 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
 	MMIO_RING_F(RING_REG, 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
 #undef RING_REG
 
-	MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, NULL);
+	MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write);
 
 	MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
 
diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
index 99dbefa..5d180c6 100644
--- a/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -43,7 +43,15 @@ void populate_pvinfo_page(struct intel_vgpu *vgpu)
 	vgpu_vreg(vgpu, vgtif_reg(version_minor)) = 0;
 	vgpu_vreg(vgpu, vgtif_reg(display_ready)) = 0;
 	vgpu_vreg(vgpu, vgtif_reg(vgt_id)) = vgpu->id;
+
 	vgpu_vreg(vgpu, vgtif_reg(vgt_caps)) = VGT_CAPS_FULL_48BIT_PPGTT;
+	/*
+	 * Add HWSP emulation support after gen8 platform, VM need to check
+	 * this caps to ensure it can read CSB status in HWSP.
+	 */
+	if (INTEL_INFO(vgpu->gvt->dev_priv)->gen >= 8)
+		vgpu_vreg(vgpu, vgtif_reg(vgt_caps)) |= VGT_CAPS_HWSP_EMULATION;
+
 	vgpu_vreg(vgpu, vgtif_reg(avail_rs.mappable_gmadr.base)) =
 		vgpu_aperture_gmadr_base(vgpu);
 	vgpu_vreg(vgpu, vgtif_reg(avail_rs.mappable_gmadr.size)) =
diff --git a/drivers/gpu/drm/i915/i915_pvinfo.h b/drivers/gpu/drm/i915/i915_pvinfo.h
index 0679a58..195203f 100644
--- a/drivers/gpu/drm/i915/i915_pvinfo.h
+++ b/drivers/gpu/drm/i915/i915_pvinfo.h
@@ -53,6 +53,7 @@ enum vgt_g2v_type {
  * VGT capabilities type
  */
 #define VGT_CAPS_FULL_48BIT_PPGTT	BIT(2)
+#define VGT_CAPS_HWSP_EMULATION		BIT(3)
 
 struct vgt_if {
 	u64 magic;		/* VGT_MAGIC */
